Texas Instruments TMS320C3x - Manual (Page 613)

Parallel MPYF3 and SUBF3 MPYF3||SUBF3
13-155 Assembly Language Instructions
Syntax MPYF3 srcA, srcB, dst1
|| SUBF3 srcC, srcD, dst2
Operation srcA
×
srcB
→
dst1
|| srcD – srcC
→
dst2
Operands srcA
srcB
srcC
srcD
Any two register (0  R n  7)
Any two indirect ( disp = 0, 1, IR0, IR1)
dst1 register ( d1):
0 = R0
1 = R1
dst2 register ( d2):
0 = R2
1 = R3
src1 register (R n, 0
≤
n
≤
7)
src2 register (R n, 0
≤
n
≤
7)
src3 indirect ( disp = 0, 1, IR0, IR1)
src4 indirect ( disp = 0, 1, IR0, IR1)
P parallel addressing modes (0
≤
P
≤
3)